18876564

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 180

約数和(自身を含む): 60831540

約数和(自身を除く): 41954976

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 41, 42, 49, 54, 58, 63, 81, 82, 84, 87, 98, 108, 116, 123, 126, 147, 162, 164, 174, 189, 196, 203, 246, 252, 261, 287, 294, 324, 348, 369, 378, 406, 441, 492, 522, 567, 574, 588, 609, 738, 756, 783, 812, 861, 882, 1044, 1107, 1134, 1148, 1189, 1218, 1323, 1421, 1476, 1566, 1722, 1764, 1827, 2009, 2214, 2268, 2349, 2378, 2436, 2583, 2646, 2842, 3132, 3321, 3444, 3567, 3654, 3969, 4018, 4263, 4428, 4698, 4756, 5166, 5292, 5481, 5684, 6027, 6642, 7134, 7308, 7749, 7938, 8036, 8323, 8526, 9396, 10332, 10701, 10962, 12054, 12789, 13284, 14268, 15498, 15876, 16443, 16646, 17052, 18081, 21402, 21924, 23247, 24108, 24969, 25578, 30996, 32103, 32886, 33292, 36162, 38367, 42804, 46494, 49938, 51156, 54243, 58261, 64206, 65772, 72324, 74907, 76734, 92988, 96309, 99876, 108486, 115101, 116522, 128412, 149814, 153468, 162729, 174783, 192618, 216972, 224721, 230202, 233044, 299628, 325458, 349566, 385236, 449442, 460404, 524349, 650916, 674163, 699132, 898884, 1048698, 1348326, 1573047, 2097396, 2696652, 3146094, 4719141, 6292188, 9438282, 18876564]

約数ペア:

[(1, 18876564), (2, 9438282), (3, 6292188), (4, 4719141), (6, 3146094), (7, 2696652), (9, 2097396), (12, 1573047), (14, 1348326), (18, 1048698), (21, 898884), (27, 699132), (28, 674163), (29, 650916), (36, 524349), (41, 460404), (42, 449442), (49, 385236), (54, 349566), (58, 325458), (63, 299628), (81, 233044), (82, 230202), (84, 224721), (87, 216972), (98, 192618), (108, 174783), (116, 162729), (123, 153468), (126, 149814), (147, 128412), (162, 116522), (164, 115101), (174, 108486), (189, 99876), (196, 96309), (203, 92988), (246, 76734), (252, 74907), (261, 72324), (287, 65772), (294, 64206), (324, 58261), (348, 54243), (369, 51156), (378, 49938), (406, 46494), (441, 42804), (492, 38367), (522, 36162), (567, 33292), (574, 32886), (588, 32103), (609, 30996), (738, 25578), (756, 24969), (783, 24108), (812, 23247), (861, 21924), (882, 21402), (1044, 18081), (1107, 17052), (1134, 16646), (1148, 16443), (1189, 15876), (1218, 15498), (1323, 14268), (1421, 13284), (1476, 12789), (1566, 12054), (1722, 10962), (1764, 10701), (1827, 10332), (2009, 9396), (2214, 8526), (2268, 8323), (2349, 8036), (2378, 7938), (2436, 7749), (2583, 7308), (2646, 7134), (2842, 6642), (3132, 6027), (3321, 5684), (3444, 5481), (3567, 5292), (3654, 5166), (3969, 4756), (4018, 4698), (4263, 4428)]